Subject: Re: UIO not working on ppc405 onchip registers

From: [email-masked]
Date: Tue, 22 Jul 2008 09:48:49 +0200

On Tuesday 22 July 2008, Ben Nizette wrote:

> As an aside, you sure you want to do this anyway?  

No ;)

> I'd suggest that you 
> just do a gpio chip driver for this, tie it in to gpiolib and use the
> gpiolib user interface (which IIRC has only made it as far as -mm but is
> on the way up).  This gives kernel internals nice access to the pins as
> well through the standard gpio framework.

This was just an example to make it others easier to reproduce my problem. My 
goal is to have a soft spi driver in userspace, which would probably be 
slower if it uses gpiolib. This driver is integrated in the application I 
want to port to Linux. 

Thanks

Markus